Submission #786933

#	Time	Username	Problem	Language	Result	Execution time	Memory
786933		ChiroTruong	Bank (IZhO14_bank)	C++14	19 / 100	60 ms	8532 KiB

bank

#include <set>
#include <vector>
#include <utility>
#include <cstring>
#include <iostream>
#include <stdlib.h>
#include <limits.h>
#include <algorithm>
#include <unordered_set>
#include <unordered_map>

using namespace std;
template<typename... Args>
void print(Args&&... args){
(cout << ... << args);}
template<typename... Args>
void scan(Args&... args){
((cin >> args), ...);}
typedef long long ll;

#define X first
#define Y second
#define lenarr 1'000'000
#define inf 1'000'000'007
#define REP(x, a, b) for ( int x = a; x < b; ++x )
#define RED(x, a, b) for ( int x = a; x > b; --x )
#define FOR(x, a, b) for ( int x = a; x <= b; ++x )
#define FOD(x, a, b) for ( int x = a; x >= b; --x )
#define swap(x, y) { string _temp = x; x = y; y = _temp; }

int const MAXN = (1 << 20) + 1;
int n, m, i, j, k, Target[21], Value[21];
pair<int, int> DP[MAXN];

int main(void){
    //freopen("INP.INP", "r", stdin);
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    scan(n, m);
    REP(i, 1, 1 << m)
        DP[i] = {-1, 0};
    DP[0] = {1, 0};
    FOR(i, 1, n)
        scan(Target[i]);
    FOR(i, 1, m)
        scan(Value[i]);
    REP(i, 1, 1 << m)
        DP[i] = {0, 0};
    DP[i] = {1, 0};
    REP(i, 1, 1 << m){
        FOR(j, 1, m)
            if ( i & (1 << (m - j)) ){
                int temp = i & ~(1 << (m - j));
                if ( !DP[temp].X )
                    continue;
                DP[i].X = DP[temp].X;
                DP[i].Y = DP[temp].Y + Value[j];
                if ( DP[i].Y == Target[DP[i].X] )
                    ++DP[i].X, DP[i].Y = 0;
            }
        if ( DP[i].X == n + 1 ){
            print("YES");
            return 0;
        }
    } print("NO");
    return 0;
}

Compilation message (stderr)

bank.cpp: In function 'void print(Args&& ...)':
bank.cpp:15:17: warning: fold-expressions only available with '-std=c++17' or '-std=gnu++17'
   15 | (cout << ... << args);}
      |                 ^~~~
bank.cpp: In function 'void scan(Args& ...)':
bank.cpp:18:17: warning: fold-expressions only available with '-std=c++17' or '-std=gnu++17'
   18 | ((cin >> args), ...);}
      |                 ^~~

• Subtask 1: 19 / 19
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29